Home / 248,721.72-343,225.96-135,542.04

Finding the Fourth Proportional to 248,721.72, 343,225.96 and 135,542.04

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Solution

The fourth proportional to 248,721.72, 343,225.96 and 135,542.04 is: 187,042.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,721.72 : 343,225.96 = 135,542.04 : x
  2. Step 2: Convert to fraction form
    248,721.72/343,225.96 = 135,542.04/x
  3. Step 3: Cross multiply
    248,721.72x = 343,225.96 × 135,542.04
  4. Step 4: Simplify right side
    248,721.72x = 46,521,546,799.36
  5. Step 5: Solve for x
    x = 46,521,546,799.36/248,721.72
  6. Step 6: Final answer
    x = 187,042.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.